Publications by authors named "Victor R Neves"
Association of heart rate variability with cardiorespiratory fitness and muscle strength in patients after hospitalization for COVID-19: An analytical cross-sectional study.
Daniele Ferreira Rodrigues Victor Ribeiro Neves Ulisses Ramos Montarroyos Washington José Dos Santos Isabelle Carolline Verissimo de Farias
Clinics (Sao Paulo)
November 2024
Article Synopsis
- * A study assessed HRV alongside cardiorespiratory fitness and muscle strength in post-hospitalized COVID-19 patients, finding significant correlations between HRV measures and physical performance.
- * Although low HRV indicated autonomic dysregulation, these changes weren't directly linked to the severity of the COVID-19 infection, highlighting a complex relationship between autonomic function and post-recovery outcomes.
Objective: The purpose of this study was to evaluate the accuracy of heel rise test (HRT) for assessing the functional capacity (FC) of individuals with peripheral arterial disease (PAD) and determine the best sensitivity cutoff point to stratify individuals with worse FC.
Methods: This retrospective methodological study included adults of both sexes diagnosed with PAD and intermittent claudication. Individuals performed the HRT (number of plantar flexions, execution time, and execution rate were recorded) and the incremental shuttle walking test (distance walked was recorded).
Article Synopsis
- This study investigates the information needs of cardiac patients using the Information Needs in Cardiac Rehabilitation short version (INCR-S) scale across different global regions.
- It involved 1,601 patients from 19 countries and found that while knowledge of cardiac health topics was rated highly important, knowledge sufficiency varied significantly, especially between high- and middle-income countries.
- The INCR-S scale proved to be a valid and reliable tool, revealing crucial gaps in patients’ knowledge regarding topics like medications, nutrition, and support resources.
Applicability of heart rate variability for cardiac autonomic assessment in long-term COVID patients: A systematic review.
Ádrya Aryelle Ferreira Raphael Martins de Abreu Rodrigo Souza Teixeira Herculano Ribeiro da Silva Neto Pedro Igor Lustosa Roriz Victor Ribeiro Neves
J Electrocardiol
January 2024
Article Synopsis
- This systematic review aimed to evaluate the methods used to assess heart rate variability (HRV) in individuals recovering from COVID-19 after the acute phase.* -
- The review included studies from several databases and focused on those using linear and non-linear HRV assessment methods, excluding low-quality or irrelevant studies, and found that 24-hour Holter monitoring and 12-lead ECG were the primary tools used.* -
- Results indicated that about half of the studies showed autonomic dysfunction post-COVID-19, with a predominance of cardiac sympathetic modulation, and the overall methodological quality of the included studies was reasonable.*
Cardiac Autonomic Function and Functional Capacity in Post-COVID-19 Individuals with Systemic Arterial Hypertension.
Edelvita Fernanda Duarte Cunha Matheus Sobral Silveira Juliana Cristina Milan-Mattos Heitor Fernandes Silveira Cavalini Ádrya Aryelle Ferreira Victor Ribeiro Neves
J Pers Med
September 2023
Article Synopsis
- * The study involved 40 SAH participants, with G1 showing lower performance in a 6-minute walk test (6MWT), covering less distance compared to G2 (465 m vs. 522 m, p < 0.05).
- * Despite the decreased walking capability in those post-COVID-19, the analysis found no significant differences in cardiac autonomic function between G1 and G2, indicating that while FC
Objective: To identify the differences in cardiac autonomic control between older people with good and poor sleep quality.
Material And Methods: This is a cross-sectional study with 40 older people aged ≥ 60 years, registered at a community health center in Petrolina, Pernambuco, Brazil. The sleep quality was assessed with the Pittsburgh Sleep Quality Index (PSQI).
Article Synopsis
- The study investigates the effects of COVID-19 on heart health in ICU patients on mechanical ventilation, measuring heart rate variability (HRV) as an indicator of cardiac autonomic control.
- It involved 82 subjects, comparing COVID-19 positive (COVID(+)) and negative (COVID(-)) groups, revealing that both had lower HRV than normal, with the COVID(+) group showing increased low frequency and decreased high frequency HRV components.
- The findings suggest that reduced HRV, especially in COVID(+) patients, may indicate a higher risk of cardiac complications, underscoring the need for careful monitoring in these patients.
Article Synopsis
- Delays in mechanical ventilation weaning can lead to higher mortality rates, with the spontaneous breathing test being the current standard for assessing success, though it has an 85% accuracy rate.
- A study aimed to evaluate heart rate variability (HRV) as a potential predictor for the outcomes of mechanical ventilation weaning in ICU patients, categorizing them into success and failure groups while measuring HRV.
- Results showed a high rate of weaning success but also indicated that HRV metrics were notably lower than standard values, suggesting that HRV analysis could serve as an important tool for predicting weaning failure and improving patient care in ICU settings.
Effect of High-Intensity Interval Training on Exercise Capacity, Blood Pressure, and Autonomic Responses in Patients With Hypertension: A Systematic Review and Meta-analysis.
Fabricio Olinda de Souza Mesquita Bruno Bavaresco Gambassi Marcio de Oliveira Silva Sérgio Rodrigues Moreira Victor Ribeiro Neves
Sports Health
June 2023
Article Synopsis
- A systematic review evaluated high-intensity interval training (HIIT) versus moderate-intensity continuous training (MICT) in patients with hypertension, focusing on various health metrics.
- The review included 9 randomized controlled trials with 569 participants and found that HIIT significantly improved peak oxygen consumption (VO peak) and had positive effects on blood pressure and resting heart rate compared to controls.
- While the quality of the evidence is low, HIIT is indicated to be more effective than MICT for hypertensive patients, especially when supervised for those without additional risk factors.
Article Synopsis
- The study reviews the effects of social isolation on the mental and physical health of healthy older adults during the COVID-19 quarantine period.
- After analyzing 8,505 studies, 17 were selected, highlighting that most older adults experienced negative health changes linked to isolation, influenced by factors like age, sex, and living situations.
- The findings emphasize the need for public policies that support the emotional and physical well-being of older adults as societies transition out of the pandemic.
Article Synopsis
- The study involved 25 participants with systemic arterial hypertension (SAH) who performed continuous moderate aerobic exercise (CE) and high-intensity interval exercise (HIIE) on different days to evaluate their perceived exertion and future exercise intentions.
- Results showed significant differences in participants' perceptions during CE and HIIE sessions, with more positive feelings towards CE and a stronger ability to focus attention during these sessions.
- Future exercise intentions for HIIE were predicted by the feeling scale and attentional focus, suggesting that influencing how participants feel and concentrate could help encourage ongoing physical activity in individuals with SAH.
Immediate Effects of Rib Mobilization and Diaphragm Release Techniques on Cardiac Autonomic Control in Patients With Chronic Obstructive Pulmonary Disease: A Pilot Study.
Helena Medeiros Rocha Helga Cecília Muniz de Souza Rodrigo Viana Victor Ribeiro Neves Armele Dornelas de Andrade
J Chiropr Med
September 2020
Article Synopsis
- - The pilot study aimed to assess the feasibility of two interventions (rib mobilization technique and diaphragm release technique) on patients with chronic obstructive pulmonary disease (COPD) and their effect on the autonomic nervous system.
- - Fourteen sedentary individuals aged 50-72 with stable COPD participated, with evaluations before and after being divided into two groups (one receiving both techniques and the other just the diaphragm release technique).
- - Results showed that the diaphragm release technique lowered resting heart rate and increased heart-rate variability, while the combined techniques affected the mean R-R interval, indicating the effectiveness of these approaches for future research.
Effect of High-Intensity Interval Training on Aerobic Capacity and Heart Rate Control of Heart Transplant Recipients: a Systematic Review with Meta-Analysis.
Lino Sergio Rocha Conceição Caroline Oliveira Gois Raiane Eunice Santos Fernandes Paulo Ricardo Saquete Martins-Filho Mansueto Gomes Victor Ribeiro Neves
Braz J Cardiovasc Surg
February 2021
Article Synopsis
- Heart transplantation (HTx) is the preferred treatment for patients with severe heart failure, and high-intensity interval training (HIIT) is a safer and more effective exercise method than moderate-intensity continuous training (MICT) for improving fitness in these patients.
- The study aimed to compare the effects of HIIT and MICT on exercise capacity, peak heart rate, and heart rate reserve in HTx recipients, using systematic review and meta-analysis to analyze data.
- Results showed that HIIT significantly enhanced peak oxygen consumption, peak heart rate, and heart rate reserve more than MICT, suggesting that HIIT is an effective exercise regime, although further testing is needed to confirm its superiority in equal caloric conditions.
Article Synopsis
- This study investigated the effectiveness of a smartphone app for measuring heart rate variability (HRV) by comparing its results with those from a standard electrocardiogram (ECG).
- Fifteen healthy adults participated in the study, where both devices recorded R-R intervals (RRi) during different postures, showing nearly perfect correlation for the data collected.
- The findings indicated that the smartphone app is a valid tool for assessing HRV, with slight measurement biases, demonstrating its potential for non-invasive cardiac monitoring.
Effects of physical exercise on the autonomic nervous system in patients with coronary artery disease: a systematic review.
Thainá de Gomes Figueiredo Helga Cecília Muniz de Souza Victor Ribeiro Neves Ana Eugênia Vasconcelos do Rêgo Barros Armèle de Fátima Dornelas de Andrade
Expert Rev Cardiovasc Ther
November 2020
Article Synopsis
- Imbalance in autonomic modulation post-cardiac events can be harmful, but exercise may help improve this through heart rate variability (HRV).
- A systematic review explored how physical exercise affects HRV in patients with coronary artery disease (CAD) by analyzing various studies from multiple databases focusing on cardiac rehabilitation.
- Differences in study designs and patient characteristics make it challenging to draw clear conclusions from the results, highlighting the need for more standardized and rigorous research to enhance the understanding and treatment of CAD through exercise.
Article Synopsis
- Heart rate variability (HRV) is a key indicator of heart autonomic function, but its analysis can be affected by how data is collected and any artifacts present in the measurements.
- The study involved tracking RR intervals from 56 individuals, including patients and athletes, using various methods to identify and correct data artifacts, revealing that correction techniques were consistent but selection methods significantly impacted analysis outcomes.
- Ultimately, the study concluded that specific data selection methods can influence HRV analysis, suggesting that using a confidence interval and retaining stable data points is best for accurate results in short-term recordings.
Background Exercise is an effective strategy for reducing total and cardiovascular mortality in patients with coronary artery disease. However, it is not clear which modality is best. We performed a meta-analysis to investigate the effects of high-intensity interval versus moderate-intensity continuous training of coronary artery disease patients.
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- The six-minute walk test (6MWT) is an effective and safe way to assess cardiac patients' functional capacity, especially after an uncomplicated acute myocardial infarction (AMI).
- 152 stable patients were tested within 4 days of AMI and also after 4 days, with results showing no significant complications in either group.
- The 6MWT is both reliable and valid, indicating its potential for early functional assessment in post-AMI care.
Article Synopsis
- Researchers looked at 24-hour ECG recordings from three groups: Chagas disease patients with left ventricular dysfunction (G1), patients without it (G2), and healthy controls (G0).
- Both Chagas disease groups showed a lower respiratory sinus arrhythmia (RSA) index compared to controls, suggesting reduced vagal modulation.
- The RSA index was notably correlated with measures of heart rate variability, indicating its potential as a marker for autonomic function in Chagas disease patients.
Background: Reduced respiratory muscle endurance (RME) contributes to increased dyspnea upon exertion in patients with cardiovascular disease.
Objective: The objective was to characterize ventilatory and metabolic responses during RME tests in post-myocardial infarction patients without respiratory muscle weakness.
Method: Twenty-nine subjects were allocated into three groups: recent myocardial infarction group (RG, n=9), less-recent myocardial infarction group (LRG, n=10), and control group (CG, n=10).
Article Synopsis
- The study aimed to compare heart rate variability (HRV) among coronary artery disease (CAD) patients, those with acute myocardial infarction (AMI) and healthy controls using different analysis techniques.
- Fifty-eight men were divided into three groups: healthy individuals, CAD patients, and CAD patients with AMI, and specific measurements of HR were taken and analyzed for patterns.
- Results showed no significant differences in HRV between the groups, which may be influenced by medical treatments, lifestyle factors, and the overall fitness of the healthy participants.
Article Synopsis
- The study analyzes the ambulatory physical therapy services provided by Brazil's Unified Health System (SUS), highlighting disparities in geographical distribution, costs, and types of providers from 1995 to 2008.
- Findings indicate that the treatment coefficient in 2008 was low overall (0.19), with the North and Center-West regions having even lower rates, yet these regions saw the highest increases in treatment uptake over the period studied.
- It concludes that despite a rise in treatment rates, especially in less developed areas, the SUS continues to underfund physical therapy services and relies heavily on private providers for more than 40% of treatments.
Article Synopsis
- - The study aimed to assess inspiratory muscle endurance in patients recovering from a heart attack and how it relates to their exercise capacity.
- - It involved three groups: patients with recent heart attacks (RIG), those with older heart attacks (LIG), and healthy individuals (CG), who were tested with exercise protocols.
- - Results showed that the RIG had lower muscle strength and oxygen uptake compared to the CG, with a significant positive correlation between muscle endurance and exercise capacity, highlighting the importance of improving endurance even if no muscle weakness is present.